| A．watch | B．watching | C．watches |
| A．sing | B．sings | C．are singing |
| A．read | B．reads | C． reading | D．to read |
| A．Thank you. | B．How nice! | C．I’m sorry. |
| A．in | B．on | C．at |
| A．of | B．for | C．with |
| A．young | B．younger | C．the youngest |
| A．come | B．comes | C．coming | D．came |
| A．forty | B．fourty | C．fourteen |
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